(August 2005) Wound repair is a critical part of the maintenance of skin and mucosa. It involves a complex series of interactions and cooperation between the superficial skin cells (epidermal cells), cells from the lower layer of skin (dermal cells), and cells of our body’s defense system (immune cells) [1]. After the skin has been injured, the wound must be covered as rapidly as possible in order to prevent any infection. The first event upon wounding is bleeding, which shortly turns into clot. The process of wound coverage is called re-epithelialization, in which epidermal cells from the sides of the…